/* Text to Speech Converter - Main Styles */
.browser-tts-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.browser-tts-wrapper {
    background: var(--browser-tts-bg, #ffffff);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 2rem;
    transition: all 0.3s ease;
    border: 1px solid var(--browser-tts-border, #e0e0e0);
}

.browser-tts-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--browser-tts-border, #e0e0e0);
}

.browser-tts-title {
    color: var(--browser-tts-text, #2d3748);
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.browser-tts-subtitle {
    color: var(--browser-tts-text-secondary, #718096);
    font-size: 1rem;
    margin: 0 0 1rem 0;
    line-height: 1.5;
}

.browser-tts-privacy-note {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--browser-tts-success-light, #d1fae5);
    color: var(--browser-tts-success, #065f46);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.browser-tts-privacy-note .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

/* Textarea Styles */
.browser-tts-textarea-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.browser-tts-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--browser-tts-border, #e0e0e0);
    border-radius: 8px;
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
    transition: all 0.2s ease;
    background: var(--browser-tts-input-bg, #ffffff);
    color: var(--browser-tts-text, #2d3748);
    font-family: inherit;
}

.browser-tts-textarea:focus {
    outline: none;
    border-color: var(--browser-tts-primary, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.browser-tts-textarea::placeholder {
    color: var(--browser-tts-placeholder, #a0aec0);
}

.browser-tts-text-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

#browser-tts-char-count {
    color: var(--browser-tts-text-secondary, #718096);
}

.browser-tts-clear-btn {
    background: var(--browser-tts-secondary, #6b7280);
    color: white;
    border: none;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s ease;
}

.browser-tts-clear-btn:hover {
    background: var(--browser-tts-secondary-dark, #4b5563);
    transform: translateY(-1px);
}

/* Voice Controls */
.browser-tts-voice-controls {
    background: var(--browser-tts-card-bg, #f8fafc);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--browser-tts-border, #e0e0e0);
}

.browser-tts-control-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.browser-tts-control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.browser-tts-control-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--browser-tts-text, #2d3748);
    font-size: 0.9375rem;
}

.browser-tts-control-group .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
    color: var(--browser-tts-primary, #3b82f6);
}

.browser-tts-select {
    padding: 0.625rem;
    border: 2px solid var(--browser-tts-border, #e0e0e0);
    border-radius: 6px;
    font-size: 0.9375rem;
    background: var(--browser-tts-input-bg, #ffffff);
    color: var(--browser-tts-text, #2d3748);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.browser-tts-select:focus {
    outline: none;
    border-color: var(--browser-tts-primary, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Slider Controls */
.browser-tts-slider-group label {
    justify-content: space-between;
}

#browser-tts-rate-value,
#browser-tts-pitch-value,
#browser-tts-volume-value {
    background: var(--browser-tts-primary-light, #dbeafe);
    color: var(--browser-tts-primary, #1e40af);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
    min-width: 3rem;
    text-align: center;
}

.browser-tts-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--browser-tts-border, #e0e0e0);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.browser-tts-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--browser-tts-primary, #3b82f6);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.browser-tts-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--browser-tts-primary, #3b82f6);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.browser-tts-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--browser-tts-primary-dark, #2563eb);
}

/* Status Display */
.browser-tts-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--browser-tts-card-bg, #f8fafc);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--browser-tts-info, #3b82f6);
}

.browser-tts-status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--browser-tts-info, #3b82f6);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.browser-tts-status.speaking .browser-tts-status-indicator {
    background: var(--browser-tts-success, #10b981);
    animation: pulse 1s infinite;
}

.browser-tts-status.paused .browser-tts-status-indicator {
    background: var(--browser-tts-warning, #f59e0b);
    animation: none;
}

.browser-tts-status.stopped .browser-tts-status-indicator {
    background: var(--browser-tts-error, #ef4444);
    animation: none;
}

#browser-tts-status-text {
    font-weight: 600;
    color: var(--browser-tts-text, #2d3748);
    font-size: 0.9375rem;
}

/* Buttons */
.browser-tts-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.browser-tts-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.browser-tts-btn .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px;
}

.browser-tts-btn-primary {
    background: var(--browser-tts-primary, #3b82f6);
    color: white;
}

.browser-tts-btn-primary:hover:not(:disabled) {
    background: var(--browser-tts-primary-dark, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.browser-tts-btn-secondary {
    background: var(--browser-tts-secondary, #6b7280);
    color: white;
}

.browser-tts-btn-secondary:hover:not(:disabled) {
    background: var(--browser-tts-secondary-dark, #4b5563);
    transform: translateY(-2px);
}

.browser-tts-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Error Display */
.browser-tts-error {
    padding: 1rem;
    background: var(--browser-tts-error-light, #fee2e2);
    color: var(--browser-tts-error, #dc2626);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--browser-tts-error, #dc2626);
    display: none;
}

.browser-tts-error.show {
    display: block;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Browser Support */
.browser-tts-browser-support {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--browser-tts-border, #e0e0e0);
}

.browser-tts-support-note {
    color: var(--browser-tts-text-secondary, #718096);
    font-size: 0.875rem;
    margin: 0;
}

/* Dark Mode Compatibility */
@media (prefers-color-scheme: dark) {
    .browser-tts-wrapper {
        --browser-tts-bg: #1a202c;
        --browser-tts-border: #2d3748;
        --browser-tts-text: #e2e8f0;
        --browser-tts-text-secondary: #a0aec0;
        --browser-tts-input-bg: #2d3748;
        --browser-tts-placeholder: #718096;
        --browser-tts-card-bg: #2d3748;
        --browser-tts-primary: #60a5fa;
        --browser-tts-primary-dark: #3b82f6;
        --browser-tts-primary-light: #1e3a8a;
        --browser-tts-secondary: #4b5563;
        --browser-tts-secondary-dark: #374151;
        --browser-tts-success: #34d399;
        --browser-tts-success-light: #065f46;
        --browser-tts-warning: #fbbf24;
        --browser-tts-error: #f87171;
        --browser-tts-error-light: #7f1d1d;
        --browser-tts-info: #60a5fa;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .browser-tts-wrapper {
        padding: 1.5rem;
    }
    
    .browser-tts-title {
        font-size: 1.5rem;
    }
    
    .browser-tts-control-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .browser-tts-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .browser-tts-buttons button:nth-child(3),
    .browser-tts-buttons button:nth-child(4) {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    .browser-tts-container {
        margin: 1rem auto;
        padding: 0 0.5rem;
    }
    
    .browser-tts-wrapper {
        padding: 1rem;
    }
    
    .browser-tts-title {
        font-size: 1.3rem;
    }
    
    .browser-tts-buttons {
        grid-template-columns: 1fr;
    }
    
    .browser-tts-btn {
        padding: 0.75rem;
    }
}

/* Accessibility */
.browser-tts-btn:focus,
.browser-tts-select:focus,
.browser-tts-textarea:focus,
.browser-tts-slider:focus {
    outline: 2px solid var(--browser-tts-primary, #3b82f6);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .browser-tts-wrapper {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .browser-tts-buttons,
    .browser-tts-slider,
    .browser-tts-error {
        display: none !important;
    }
}